Cruise Lines International Association (CLIA) is the world's largest cruise industry trade association with representation in North and South America, Europe, Asia and Australasia. CLIA represents the interests of cruise lines, travel agents, port authorities and destinations, and various industry business partners before regulatory and legislative policy makers. CLIA is also engaged in travel agent training, research and marketing communications to promote the value and desirability of cruise holiday vacations with thousands of travel agency and travel agent members.